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mtd: st_spi_fsm: Allow loop to run at least once before giving up CPU

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Reported-by: Brian Norris <computersforpeace@gmail.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
This commit is contained in:
Lee Jones 2014-03-20 11:11:46 +00:00 committed by Brian Norris
parent f1919cb852
commit ea7864bf44
1 changed files with 2 additions and 2 deletions
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4
drivers/mtd/devices/st_spi_fsm.c
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@ -861,8 +861,6 @@ static uint8_t stfsm_wait_busy(struct stfsm *fsm)
*/ */
deadline = jiffies + FLASH_MAX_BUSY_WAIT; deadline = jiffies + FLASH_MAX_BUSY_WAIT;
while (!timeout) { while (!timeout) {
cond_resched();
if (time_after_eq(jiffies, deadline)) if (time_after_eq(jiffies, deadline))
timeout = 1; timeout = 1;
@ -881,6 +879,8 @@ static uint8_t stfsm_wait_busy(struct stfsm *fsm)
if (!timeout) if (!timeout)
/* Restart */ /* Restart */
writel(seq->seq_cfg, fsm->base + SPI_FAST_SEQ_CFG); writel(seq->seq_cfg, fsm->base + SPI_FAST_SEQ_CFG);
cond_resched();
} }
dev_err(fsm->dev, "timeout on wait_busy\n"); dev_err(fsm->dev, "timeout on wait_busy\n");